Problems with LI with Key Escrow

Problems with LI with Key Escrow

Once any one gains access to the session master key they have access to all of the media streams and the control information (contained in the RTCP).

⇒ Given this session master key, a malicious party can fabricate contents of a media stream, create completely fictitious new media stream(s), fabricate control messages, etc.

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Transcript

[slide408] But the problem is, once I have this master key, I can make up any content I want and put it in, encrypt it with the key, and it will seem like Alice sent it or Bob sent it.